20766576107 has 2 divisors, whose sum is σ = 20766576108. Its totient is φ = 20766576106.

The previous prime is 20766576101. The next prime is 20766576109. The reversal of 20766576107 is 70167566702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20766576107 - 2¹⁶ = 20766510571 is a prime.

Together with 20766576109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20766576101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10383288053 + 10383288054.

It is an arithmetic number, because the mean of its divisors is an integer number (10383288054).

Almost surely, 2^20766576107 is an apocalyptic number.

20766576107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20766576107 is an equidigital number, since it uses as much as digits as its factorization.

20766576107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 20766576107 in words is "twenty billion, seven hundred sixty-six million, five hundred seventy-six thousand, one hundred seven".